Twins, Zip and Zap, compete to out-surprise each other with the best birthday party ever, while Villains disguised as a present sneak in to the castle to steal the Smighty Stones.

Sneevil's evil plant, the hunga bunga, grows out of control and captures the Smighties. It's up to Dude and his fish friends to stop it.

Sneevil and Biggs set off a Smightynami wave that threatens to wash away Smightyland. Dude has to ride the big one and save the day.

Nardy celebrates the Light Region Light Show with edible fireworks, while Sneevil makes a volcano erupt with flowing lava, threatening all of the Smighties. It's up to the Super Six to use their powers and save the day.

Zap's exhausted from being such a great hero and the other Smighties convince him to take a vacation. The villains capture him and puppet him to the Castle to help them steal the Smighty Stones. It's now up to the Super Six to save Zap.

When Sneevil creates the "Sneezils flu," all the Smighties get infected, except for Zip who has to take care of them while defending the Castle from Villains.